All
Search
Images
Videos
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
5:49
Spectroscope | Definition, Diagram & Parts
64K views
Nov 1, 2017
Study.com
How to Identify Gemstones (with Pictures) - wikiHow
492.1K views
10 months ago
wikiHow
Kennon Young
Gemstone Identification: How to Identify Gemstones
Apr 1, 2011
gemstones.com
7 Tips on How to Identify Real Gemstones
May 31, 2022
allthingsjewelryy.com
0:58
Master Gem Identification with 6 New YouTube Tutorials
5.6K views
3 months ago
TikTok
what_the_gem
1:03
Spectroscope
29K views
Nov 7, 2012
YouTube
FlinnScientific
Gem Identification - Refractometer Basic Use
84.5K views
May 27, 2014
YouTube
Awaken Crystals
6:10
Lab 1: CD Spectrometer
174.2K views
Nov 15, 2013
YouTube
MIT OpenCourseWare
2:25
Handheld Spectroscope Tutorial
20.4K views
Sep 24, 2014
YouTube
Michael Evans
11:01
DIY Spectroscopy: The Basics
17.1K views
May 30, 2019
YouTube
Manutek4000
8:30
Gem Identification - Polariscope Basic Use
86K views
May 16, 2014
YouTube
Awaken Crystals
6:27
The Spectrophotometer: A demo and practice experiment
785.9K views
Nov 7, 2011
YouTube
BioNetwork
8:03
Astronomy - spectroscopy - 3/3
74.4K views
Jul 11, 2009
YouTube
rhcrcgvp
6:31
Spectrum Demo: Continuous and Emission
508.4K views
Aug 20, 2016
YouTube
Physics Demos
2:42
How Does a Spectrometer Work?
14.5K views
Apr 6, 2021
YouTube
Ocean Optics
5:35
Gem Identification - Specific Gravity Made Easy
100.3K views
May 8, 2014
YouTube
Awaken Crystals
2:47
Visible Spectroscopy of Elements
53.5K views
Apr 11, 2014
YouTube
MrBenny John
6:45
How to Make DIY Spectrometer | Optical spectrum analyzer | Light
…
252.1K views
Apr 22, 2018
YouTube
Electrical Projects [CreativeLab]
10:34
Unboxing Tools for Identifying Gemstones
27.9K views
Dec 11, 2018
YouTube
Gemstones
5:20
How to use a spectrophotometer (Spectronic 200E)
53.2K views
Jun 26, 2017
YouTube
ISU Gen Chem Lab Tutorials
1:54
ATOMIC EMISSION SPECTRA Pre-Lab - NYA General Chemistry
13.9K views
Oct 25, 2017
YouTube
Dawson College Chemistry Department
0:58
How does a spectrophotometer work?
1.5M views
Nov 4, 2011
YouTube
BioNetwork
11:25
Introduction to Colored Gemstones | Natural and Lab-Grown
48.1K views
Oct 5, 2019
YouTube
Fire & Brilliance
9:48
Gem-A Education: How to use the refractometer
33.1K views
Oct 29, 2020
YouTube
Gem-A
2:55
How to use a Spectrophotometer
112.7K views
Jan 16, 2015
YouTube
OCC Biology
13:59
Emission Spectra- What's in a Star?
12.4K views
Jun 25, 2021
YouTube
A. Kenneth Nolan
7:30
HOW TO FIND GOLD | Using a | BLACK LIGHT - ask Jeff Williams
121.2K views
Dec 25, 2018
YouTube
Ask Jeff Williams
16:53
How to Identify Gemstones & Minerals: Specific Gravity
76.8K views
Jul 5, 2017
YouTube
MoreGems.com
1:07
The spectroscope: how helium was discovered
7.7K views
Oct 5, 2018
YouTube
Science Museum
1:11:32
Gem-A Live: Understanding Gemstone Species and Varieties
291.8K views
May 21, 2020
YouTube
Gem-A
See more videos
More like this
Feedback